Available on Commodore +4 computer.
 (at the Computer)
 (at the Computer)
UNKNOWN CONNECTOR at the Computer.
| Pin | Name | Description | 
|---|---|---|
| 1 | GND | Ground | 
| 2 | +5V | +5 VDC | 
| 3 | /BRESET | ? | 
| 4 | P2/CSE | Data 2/Cassette Sense | 
| 5 | P3 | Data 3 | 
| 6 | P4 | Data 4 | 
| 7 | P5 | Data 5 | 
| 8 | RxC | Receive Clock | 
| 9 | ATN | Attention? | 
| 10 | +9V | +9 VAC | 
| 11 | +9V | +9 VAC | 
| 12 | GND | Ground | 
| A | GND | Ground | 
| B | P0 | Data 0 | 
| C | RxD | Receive Data | 
| D | RTS | Request to Send | 
| E | DTR | Data Terminal Ready | 
| F | P7 | Data 7 | 
| G | DCD | Data Carrier Detect | 
| H | P6 | Data 6 | 
| I | CTS | Clear to Send | 
| J | DSR | Data Set Ready | 
| K | TxD | Transmit Data | 
| L | GND | Ground | 
| Contributor: | Joakim Ögren, Arwin Vosselman | 
| Source: | Usenet posting in comp.sys.cbm, Pinout specs for cbm machines needed by Lonnie McClure | 
| SAMS Computerfacts CC8 Commodore 16 | 
  Copyright © The Hardware Book Team 1996-2004.
  May be copied and redistributed, partially or in whole, as appropriate.
  Document last modified: 2002-01-10